﻿package com.siwinn.market;

import java.io.IOException;
import java.util.Vector;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.widget.TextView;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.tdzx.R;

public class CaptureActivity extends Activity implements Callback {

	private CaptureActivityHandler handler;
	private ViewfinderView viewfinderView;
	private boolean hasSurface;
	private Vector<BarcodeFormat> decodeFormats;
	private String characterSet;
	private TextView txtResult;
	private InactivityTimer inactivityTimer;
	private MediaPlayer mediaPlayer;
	private boolean playBeep;
	private static final float BEEP_VOLUME = 0.10f;
	private boolean vibrate;
	
	

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main_zxing);
		
		//��ʼ�� CameraManager
		CameraManager.init(getApplication());

		viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
		txtResult = (TextView) findViewById(R.id.txtResult);
		hasSurface = false;
		inactivityTimer = new InactivityTimer(this);
	}

	@Override
	protected void onResume() {
		super.onResume();
		SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
		SurfaceHolder surfaceHolder = surfaceView.getHolder();
		if (hasSurface) {
			initCamera(surfaceHolder);
		} else {
			surfaceHolder.addCallback(this);
			surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
		}
		decodeFormats = null;
		characterSet = null;

		playBeep = true;
		AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
		if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
			playBeep = false;
		}
		initBeepSound();
		vibrate = true;
	}

	@Override
	protected void onPause() {
		super.onPause();
		if (handler != null) {
			handler.quitSynchronously();
			handler = null;
		}
		CameraManager.get().closeDriver();
	}

	@Override
	protected void onDestroy() {
		inactivityTimer.shutdown();
		super.onDestroy();
	}

	private void initCamera(SurfaceHolder surfaceHolder) {
		try {
			CameraManager.get().openDriver(surfaceHolder);
		} catch (IOException ioe) {
			return;
		} catch (RuntimeException e) {
			return;
		}
		if (handler == null) {
			handler = new CaptureActivityHandler(this, decodeFormats,
					characterSet);
		}
	}

	@Override
	public void surfaceChanged(SurfaceHolder holder, int format, int width,
			int height) {

	}

	@Override
	public void surfaceCreated(SurfaceHolder holder) {
		if (!hasSurface) {
			hasSurface = true;
			initCamera(holder);
		}

	}

	@Override
	public void surfaceDestroyed(SurfaceHolder holder) {
		hasSurface = false;

	}

	public ViewfinderView getViewfinderView() {
		return viewfinderView;
	}

	public Handler getHandler() {
		return handler;
	}

	public void drawViewfinder() {
		viewfinderView.drawViewfinder();

	}

	public void handleDecode(Result obj, Bitmap barcode) {
		inactivityTimer.onActivity();
		viewfinderView.drawResultBitmap(barcode);
		 playBeepSoundAndVibrate();
		/*txtResult.setText(obj.getBarcodeFormat().toString() + ":"
				+ obj.getText());*/
		final String message = obj.getText();
		
		final Intent intent = new Intent();
		intent.setData(Uri.parse(message));
		
		String[] sub = message.split(":");
		if(sub[0] != null && sub[0].toLowerCase().equals("tel")) {
			intent.setAction(Intent.ACTION_CALL);
			showDialog(message, intent);
		} else if(sub[0] != null && sub[0].equals("http")){
			intent.setAction(Intent.ACTION_VIEW);
			showDialog(message, intent);
		} else if(sub[0] != null && sub[0].equals("smsto")) {
			intent.setAction(Intent.ACTION_SENDTO); //smsto:15072361148:2545678
			int len = sub.length;
			if(len == 2) {
				intent.setData(Uri.parse("smsto:" + sub[1]));
			} else if(len == 3) {
				intent.setData(Uri.parse("smsto:" + sub[1]));
				intent.putExtra("sms_body", sub[2]);
			}
			//344490221@qq.com
			showDialog(message, intent);
		} else {
			showDialog(message);
		}
		
		
	}

	private void initBeepSound() {
		if (playBeep && mediaPlayer == null) {
			// The volume on STREAM_SYSTEM is not adjustable, and users found it
			// too loud,
			// so we now play on the music stream.
			setVolumeControlStream(AudioManager.STREAM_MUSIC);
			mediaPlayer = new MediaPlayer();
			mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
			mediaPlayer.setOnCompletionListener(beepListener);

			AssetFileDescriptor file = getResources().openRawResourceFd(
					R.raw.beep);
			try {
				mediaPlayer.setDataSource(file.getFileDescriptor(),
						file.getStartOffset(), file.getLength());
				file.close();
				mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
				mediaPlayer.prepare();
			} catch (IOException e) {
				mediaPlayer = null;
			}
		}
	}

	private static final long VIBRATE_DURATION = 200L;

	private void playBeepSoundAndVibrate() {
		if (playBeep && mediaPlayer != null) {
			mediaPlayer.start();
		}
		if (vibrate) {
			Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
			vibrator.vibrate(VIBRATE_DURATION);
		}
	}

	/**
	 * When the beep has finished playing, rewind to queue up another one.
	 */
	private final OnCompletionListener beepListener = new OnCompletionListener() {
		public void onCompletion(MediaPlayer mediaPlayer) {
			mediaPlayer.seekTo(0);
		}
	};
	
	public void restartPreviewAfterDelay(long delayMS) {
	    if (handler != null) {
	      handler.sendEmptyMessageDelayed(R.id.restart_preview, delayMS);
	    }
	    resetStatusView();
	  }
	
	 private void resetStatusView() {
		    viewfinderView.setVisibility(View.VISIBLE);
	 }
	 
	 public void showDialog(String message,final Intent intent) {
		 Builder builder = new AlertDialog.Builder(this);
		 builder.setTitle("是否打开以下链接?");
		 builder.setMessage(message);
		 builder.setPositiveButton("确认", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					startActivity(intent);
					finish();
				}
			});
		 builder.setNegativeButton("取消", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					restartPreviewAfterDelay(1L);
				}
			});
		 AlertDialog dialog = builder.create();
		 dialog.setCancelable(false);
		 dialog.setCanceledOnTouchOutside(false);
		 dialog.show();
		 
		/* new AlertDialog.Builder(this).setTitle("是否打开以下链接?")
			.setMessage(message).setPositiveButton("确认", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					startActivity(intent);
					finish();
				}
			})
			.setNegativeButton("取消", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					restartPreviewAfterDelay(1L);
				}
			})
			.create().show();*/
	 }
	 
	 public void showDialog(String message) {
		 Builder builder = new AlertDialog.Builder(this);
		 builder.setTitle("扫描到以下内容");
		 builder.setMessage(message);
		 builder.setPositiveButton("确认", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					finish();
				}
			});
		 builder.setNegativeButton("取消", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					restartPreviewAfterDelay(1L);
				}
			});
		 AlertDialog dialog = builder.create();
		 dialog.setCancelable(false);
		 dialog.setCanceledOnTouchOutside(false);
		/* dialog.setOnCancelListener(new OnCancelListener() {
			@Override
			public void onCancel(DialogInterface dialog) {
				
			}
		});*/
		 dialog.show();
		/* new AlertDialog.Builder(this).setTitle("扫描到以下内容")
			.setMessage(message).setPositiveButton("确认", new OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					finish();
				}
			}).create().show();*/
	 }
	 
}